Answer:
Water Shortages
Explanation
Water scarcity is the lack of sufficient available water resources to meet water needs within a region. It affects every continent and around 2.8 billion people around the world at least one month out of every year.
Most likely D.
Melting it will severly contribute to global warming, releasing methane and causing a positive feedback loop causing more permafrost to melt.
The answer is called the Nazca plate boundary
Pangaea or Pangea ( /pænˈdʒiːə/) was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and it began to break apart about 175 million years ago.
Answer:
oxygen is released and carbon dioxide is sucked in
Explanation: